Search
Search Results
-
Direct Determination of Pyrethroids in Aqueous Samples by a Metal Organic Framework “MIL-101(Cr)” Sorbent for Solid-Phase Extraction and Thermal Desorption Coupled with GC-FID
AbstractIn this study, an online solid-phase extraction-thermal desorption method coupled with gas chromatography-flame ionization detection was used...
-
Determination of Synthetic Pyrethroids and Hexaconazole Residues in curry leaves and decontamination through household techniques
A multiresidue method was developed and validated for the simultaneous determination of eight synthetic pyrethroids and hexaconazole fungicide...
-
Magnetic Nanocomposite-Based TpPa-NO2 Covalent Organic Framework for the Extraction of Pyrethroid Insecticides in Water, Vegetable, and Fruit Samples
In this work, a magnetic covalent organic framework (COF) named Fe 3 O 4 @TpPa-NO 2 was designed and synthesized by a solvothermal method employing...
-
Residues of Commonly Used Insecticides in Peach Fruits
For the control of Grapholita molesta (Busck), one of the most important peach pests, insecticides from various chemical classes are used. Besides...
-
Chemical Exposure of Synthetic Pyrethroid on Deltamethrin Under the Selection Pressure over the Generations: A Reproductive Potential Study of Anopheles stephensi
Biochemical synthetic pyrethroids, deltamethrin are presently used insecticides for the control of mosquito vector-borne diseases in worldwide....
-
One-step ionic liquid-based ultrasound-assisted dispersive liquid–liquid microextraction coupled with high-performance liquid chromatography for the determination of pyrethroids in traditional Chinese medicine oral liquid preparations
In this study, a simple one-step ionic liquid-based ultrasound-assisted dispersive liquid–liquid microextraction technique was coupled with...
-
Cohort-friendly protocol for the determination of two urinary biomarkers of exposure to pyrethroids and neonicotinoids using gas chromatography-triple quadrupole mass spectrometry
Neonicotinoids (NEOs) and synthetic pyrethroids (PYRs) are active ingredients of commercial pesticides and/or insecticides with extensive indoor and...
-
Conventional vs. Organic Cucumber Production in Lebanon: Risk Assessment of the Recommended Agrochemicals on Consumer Health and the Environment
This study aims to assess the risk of 49 pesticides and biopesticides recommended to be used on cucumbers in a field guide proposed by the Lebanese...
-
Detection reagents used for on-plate identification of organic pesticides in biological samples with preliminary separation by TLC/HPTLC
Many specific and non-specific chromogenic spray reagents have been used to detect organic pesticides (organophosphorus, organochlorine, carbamates,...
-
Development of Transition Metal-Mediated Cyclopropanation Reactions
A brief discussion of the methods for cyclopropane formation emphasizing organometallic reagents and catalysts is followed by several examples of the...
-
Metal Organic Framework-Molecularly Imprinted Polymer as Adsorbent in Matrix Solid Phase Dispersion for Pyrethroids Residue Extraction from Wheat
Metal organic frameworks-molecular imprinting polymers (MOFs-MIPs) were applied as dispersants of matrix solid phase dispersion (MSPD) followed by...
-
Effect of the Rearing Substrate Contamination with λ-Cyhalothrin Pesticide on the Growth Performance and Survival of Black Soldier Fly (Hermetia illucens) Larvae: A Study of Biodegradation Kinetics
PurposePesticide residues may be present in fruits and other organic wastes used as rearing substrates for black soldier fly larvae (BSFL, Hermetia...
-
Three-dimensional hollow porous raspberry-like hierarchical Co/Ni@carbon microspheres for magnetic solid-phase extraction of pyrethroids
A three-dimensional magnetic hollow porous raspberry-like hierarchical Co/Ni@carbon microspheres (3D Co/Ni@carbon) were synthesized by using a...
-
Promising instrument-free detections of various analytes using smartphones with Spotxel® Reader
In consideration of the problems related to food safety, environmental pollution, and the spread of infected diseases nowadays, we urgently need...
-
Meat, Eggs, Fish, and Seafood
Food authenticity is a rapidly growing field due to increasing consumer concerns about food safety and quality. Food authenticity is a key tool for...
-
Assessment of exposure to pesticides: residues in 24 h duplicate diets versus their metabolites in 24 h urine using suspect screening and target analysis
Human biomonitoring can add value to chemical risk assessment by reducing the assumptions regarding consumption rates, residue occurrence, and...
-
Combination of Ultrasound-Assisted Extraction and Ultrasound-Assisted Emulsification Microextraction for Separation and Enrichment of Permethrin and Deltamethrin Residues in Spinach Samples
AbstractA simple, inexpensive, reliable and environmentally friendly procedure based on ultrasound-assisted extraction combined with...
-
Multi-residue analysis of certain lanolin nipple care products for trace contaminants
BackgroundTopical lanolin is commonly used on nipples to aid breastfeeding success. The raw material undergoes refinement to remove contaminants such...
-
Reversed-Phase and Normal-Phase Thin-Layer Chromatography and Their Application to the Lipophilicity Prediction of Synthetic Pyrethroids Based on Quantitative Structure—Retention Relationships
Synthetic pyrethroids are pesticides derived from naturally occurring pyrethrins. Nowadays, they are one of the most commonly used insecticides....
-
Direct Detection of Potential Pyrethroids in Yangtze Rivervia an Imprinted Multilayer Phosphorescence Probe
A novel tailored multilayer probe for monitoring potential pyrethroids in the Yangtze River was proposed. The room-temperature phosphorescence method...